Improvement in exhaust mechanisms for locomotives



W. STAMP.

Exhaust-Mechanism for Locomotives. No. l65, l30, Patentedlun e 29,1875.

WITNESSES: INVEOB: v

ATTDRNEYS.

THE GRAPHIC GILPN 0T0 -LITH.39 i4! PARK PLACEJLY.

- UNITED STATES PATENT Orrron.

WILLIAM STAMP, OF SUSQUEHANNA DEPOT, PENNSYLVANIA.

IMPROVEMENT IN EXHAUST MECHANISMS FOR LOCOMOTIVES.

Specification forming part of Letters Patent No. 165,130, dated June 29, 1875 application filed June 14, 1875.

To all whom it may concern:

Be it known that I, WILLIAM STAMP, of Susquehanna Depot, in the county of Susquehanna and State of Pennsylvania, have in-.

vented a new and Improved Exhaust-Nozzle for Smoke-Stacks; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawing forming a part of this specification, in which- Figure 1 is a front elevation, partly section. Figs. 2, 3, and 4. are detail views.

The invention relates to means whereby the exhaust steam may be more effectually utilized as an auxiliary to the smoke-stack in augmenting the up-draft to any degree desired.

The invention will first be described in connection with drawing, and then pointed out in the claims. v

A represents the rear portion of boiler, through the bottom of which protrude the steam-exhaust pipes a a, that come directly under the pipe B, that enters the bottom of smoke-pipe B, having external spiral flanges b and flaring bottom I). On the pipes a a. I support, by a horizontal flange, c, the tapering tube 0, divided into two flues by the spring-plates 1), made fast only at one end on a shaft or pin, d. Between these I secure a cam, E, on a small crank-shaft, 6, whereby the spring-plates, or a single double plate, may be pushed outwardly from the middle in opposite directions, and to a greater or less extent be made to diminish the size of each flue, and thus increase the draft. The spring D is preferably doubled, while the tube 0 is made in two longitudinal sections, as well as provided with grooved cross-bars 0, so that the spring may be secured by bringing the sections together over the shaft 0 and pin d, being thus firmly held in place, while the parts are all readily detachable; or the spring may be removed by drawing out the pin cl and shaft 0, they being made detachable. Over the tube 0 I insert a nozzle, H, having thenotched lips h h, and two or more spiral internal flues, h, that give a whirl or centrifugal motion to the steam, thereby increasing its power as a draft-producer.

. By means of the spiral flanges on the outside of pipe B, the smoke and products of combustion are caused to gyrate and take a tortuous course as they meet the exhaust steam in smoke-pipe.

Having thus described my invention, what I claim as new isy 1. The combination, with boilerand exhaustpipes a a, of the tube 0, provided with adjustable spring-plat-es D D, as and for the purpose described.

2. The combination, with plates D D in tubes 0, of the intermediate camshaft, as and for the purpose set forth.

3. The described combination of doubled spring-plate D,- grooved cross-bar F, and detachable pin G to hold the spring, in the manner specified.

4. A tube, 0, provided with spring, camshaft, and pin 01, made in two half-sections, as and for the purpose described.

5. The pipe B, having the external spiral flanges b, as and for the purpose set forth.

6. The nozzle H, having oneor more inter nal spiral flanges, as and for the purpose specified.

WILLIAM STAMP.

Witnesses WM. EMERY, W. J. FALKENBURY. 

